Subtract 28/16 from 8/27
1st number: 8/27, 2nd number: 1 12/16
8/27 - 28/16 is -157/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 16 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 27 × 16 = 432,
8/27 = 8 × 16/27 × 16 = 128/432 - Likewise, for the 2nd fraction, since 16 × 27 = 432,
28/16 = 28 × 27/16 × 27 = 756/432 - Subtract the two like fractions:
128/432 - 756/432 = 128 - 756/432 = -628/432 - After reducing the fraction, the answer is -157/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/27-28/16 8/27-56/16 8/54-28/16 8/27-28/32 24/27-28/16 8/27-84/16 8/81-28/16 8/27-28/48 40/27-28/16 8/27-28/80 56/27-28/16